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Finding the Fourth Proportional to 61,854.90, 92,772.06 and 17,471.52

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Solution

The fourth proportional to 61,854.90, 92,772.06 and 17,471.52 is: 26,204.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,854.90 : 92,772.06 = 17,471.52 : x
  2. Step 2: Convert to fraction form
    61,854.90/92,772.06 = 17,471.52/x
  3. Step 3: Cross multiply
    61,854.90x = 92,772.06 × 17,471.52
  4. Step 4: Simplify right side
    61,854.90x = 1,620,868,901.73
  5. Step 5: Solve for x
    x = 1,620,868,901.73/61,854.90
  6. Step 6: Final answer
    x = 26,204.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.